Many women don’t tell their partners when sex is painful, suggests a recent Journal of Sexual Medicine study.

When asked why, many feel that pain is just a normal part of sex or that their partner’s pleasure is the priority.

Using data from the U.S.-based 2018 National Survey of Sexual Health and Behavior, researchers identified 382 women between the ages of 14 and 49 who reported painful sex during the previous year. Most of the women were heterosexual.

About 82% said their experience was “a little painful,” and for 73%, the pain lasted for less than five minutes. Pain was generally felt at the vaginal entrance, inside the vagina, or near the cervix.